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There are 10 questions in a question paper. In how many ways, a student can solve these questions, if he solves one or more questions?


A) 1024

B) 1025

C) 1023

D) 1000

Correct Answer:
C) 1023

Description for Correct answer:
Required number of ways

= \( 2^n- 1 = 2^10-1 = 1024 -1 = 1023 \)

Part of solved Permutation and combination questions and answers : >> Aptitude >> Permutation and combination




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